Sotheby's Impressionist and Modern Art Sale in London

Works by Monet, Miro, Picasso and Richter come under the hammer in the 'Contemporary, Impressionist and Modern Art' evening sale at Sotheby's auction house in London on February 12, 2013. Above, Sotheby's workers straighten 'Femme assise pres d'une fenetre' by Pablo Picasso. The artwork is expected to sell for £25-35 million (US$ 40-56 million).Picture: REUTERS/Suzanne Plunkett